This activity is about doubling two-digit numbers.
Doubling means multiplying a number by 2.
Example
Double the number 75.
75 x 2 = __ ?
Answer
Split 75 into 70 + 5.
Double 70 is 140
Double 5 is 10
Add 140 + 10 to get 150
How does that sound - easy, yes?
Let's try some questions now to practise this skill.
View the activity introduction for more information on the topic
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Question
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Teacher explanation